wget: patches for VE-2017-13089 and CVE-2017-13090

2 files changed, 75 insertions, 0 deletions

diff --git a/net/wget/patches/patch-CVE-2017-13089 b/net/wget/patches/patch-CVE-2017-13089
new file mode 100644
index 00000000000..e7a9185d34f
--- /dev/null
+++ b/net/wget/patches/patch-CVE-2017-13089
@@ -0,0 +1,36 @@
+$NetBSD: patch-CVE-2017-13089,v 1.1 2017/10/26 15:01:38 tez Exp $
+
+From 3dbc2e06ad487862c2fcc64d4891ff8aeb254bad Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Tim=20R=C3=BChsen?= <tim.ruehsen@gmx.de>
+Date: Fri, 20 Oct 2017 10:59:38 +0200
+Subject: [PATCH 1/2] Fix stack overflow in HTTP protocol handling
+ (CVE-2017-13089)
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+* src/http.c (skip_short_body): Return error on negative chunk size
+
+Reported-by: Antti Levomäki, Christian Jalio, Joonas Pihlaja from Forcepoint
+Reported-by: Juhani Eronen from Finnish National Cyber Security Centre
+---
+ src/http.c | 3 +++
+ 1 file changed, 3 insertions(+)
+
+diff --git a/src/http.c b/src/http.c
+index 55367688..dc318231 100644
+--- src/http.c
++++ src/http.c
+@@ -973,6 +973,9 @@ skip_short_body (int fd, wgint contlen, bool chunked)
+               remaining_chunk_size = strtol (line, &endl, 16);
+               xfree (line);
+ 
++              if (remaining_chunk_size < 0)
++                return false;
++
+               if (remaining_chunk_size == 0)
+                 {
+                   line = fd_read_line (fd);
+-- 
+2.15.0.rc1
+
diff --git a/net/wget/patches/patch-CVE-2017-13090 b/net/wget/patches/patch-CVE-2017-13090
new file mode 100644
index 00000000000..88e823238e6
--- /dev/null
+++ b/net/wget/patches/patch-CVE-2017-13090
@@ -0,0 +1,39 @@
+$NetBSD: patch-CVE-2017-13090,v 1.1 2017/10/26 15:01:38 tez Exp $
+
+From 28925c37b72867c0819799c6f35caf9439080f83 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Tim=20R=C3=BChsen?= <tim.ruehsen@gmx.de>
+Date: Fri, 20 Oct 2017 15:15:47 +0200
+Subject: [PATCH 2/2] Fix heap overflow in HTTP protocol handling
+ (CVE-2017-13090)
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+* src/retr.c (fd_read_body): Stop processing on negative chunk size
+
+Reported-by: Antti Levomäki, Christian Jalio, Joonas Pihlaja from Forcepoint
+Reported-by: Juhani Eronen from Finnish National Cyber Security Centre
+---
+ src/retr.c | 6 ++++++
+ 1 file changed, 6 insertions(+)
+
+diff --git a/src/retr.c b/src/retr.c
+index a27d58af..723ac725 100644
+--- src/retr.c
++++ src/retr.c
+@@ -378,6 +378,12 @@ fd_read_body (const char *downloaded_filename, int fd, FILE *out, wgint toread,
+               remaining_chunk_size = strtol (line, &endl, 16);
+               xfree (line);
+ 
++              if (remaining_chunk_size < 0)
++                {
++                  ret = -1;
++                  break;
++                }
++
+               if (remaining_chunk_size == 0)
+                 {
+                   ret = 0;
+-- 
+2.15.0.rc1
+